| /* |
| * Copyright (C) 2004-2010 NXP Software |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __LVEQNB_COEFFS_H__ |
| #define __LVEQNB_COEFFS_H__ |
| |
| /************************************************************************************/ |
| /* */ |
| /* Gain table for (10^(Gain/20) - 1) */ |
| /* */ |
| /************************************************************************************/ |
| #define LVEQNB_Gain_Neg15_dB (-0.822172f) |
| #define LVEQNB_Gain_Neg14_dB (-0.800474f) |
| #define LVEQNB_Gain_Neg13_dB (-0.776128f) |
| #define LVEQNB_Gain_Neg12_dB (-0.748811f) |
| #define LVEQNB_Gain_Neg11_dB (-0.718162f) |
| #define LVEQNB_Gain_Neg10_dB (-0.683772f) |
| #define LVEQNB_Gain_Neg9_dB (-0.645187f) |
| #define LVEQNB_Gain_Neg8_dB (-0.601893f) |
| #define LVEQNB_Gain_Neg7_dB (-0.553316f) |
| #define LVEQNB_Gain_Neg6_dB (-0.498813f) |
| #define LVEQNB_Gain_Neg5_dB (-0.437659f) |
| #define LVEQNB_Gain_Neg4_dB (-0.369043f) |
| #define LVEQNB_Gain_Neg3_dB (-0.292054f) |
| #define LVEQNB_Gain_Neg2_dB (-0.205672f) |
| #define LVEQNB_Gain_Neg1_dB (-0.108749f) |
| #define LVEQNB_Gain_0_dB 0.000000f |
| #define LVEQNB_Gain_1_dB 0.122018f |
| #define LVEQNB_Gain_2_dB 0.258925f |
| #define LVEQNB_Gain_3_dB 0.412538f |
| #define LVEQNB_Gain_4_dB 0.584893f |
| #define LVEQNB_Gain_5_dB 0.778279f |
| #define LVEQNB_Gain_6_dB 0.995262f |
| #define LVEQNB_Gain_7_dB 1.238721f |
| #define LVEQNB_Gain_8_dB 1.511886f |
| #define LVEQNB_Gain_9_dB 1.818383f |
| #define LVEQNB_Gain_10_dB 2.162278f |
| #define LVEQNB_Gain_11_dB 2.548134f |
| #define LVEQNB_Gain_12_dB 2.981072f |
| #define LVEQNB_Gain_13_dB 3.466836f |
| #define LVEQNB_Gain_14_dB 4.011872f |
| #define LVEQNB_Gain_15_dB 4.623413f |
| |
| /************************************************************************************/ |
| /* */ |
| /* Frequency table for 2*Pi/Fs */ |
| /* */ |
| /************************************************************************************/ |
| #define LVEQNB_2PiOn_8000 0.000785f |
| #define LVEQNB_2PiOn_11025 0.000570f |
| #define LVEQNB_2PiOn_12000 0.000524f |
| #define LVEQNB_2PiOn_16000 0.000393f |
| #define LVEQNB_2PiOn_22050 0.000285f |
| #define LVEQNB_2PiOn_24000 0.000262f |
| #define LVEQNB_2PiOn_32000 0.000196f |
| #define LVEQNB_2PiOn_44100 0.000142f |
| #define LVEQNB_2PiOn_48000 0.000131f |
| |
| #define LVEQNB_2PiOn_88200 0.000071f |
| #define LVEQNB_2PiOn_96000 0.000065f |
| #define LVEQNB_2PiOn_176400 0.000036f |
| #define LVEQNB_2PiOn_192000 0.000033f |
| |
| /************************************************************************************/ |
| /* */ |
| /* 50D table for 50 / ( 1 + Gain ) */ |
| /* */ |
| /************************************************************************************/ |
| #define LVEQNB_100D_Neg15_dB 5.623413f |
| #define LVEQNB_100D_Neg14_dB 5.011872f |
| #define LVEQNB_100D_Neg13_dB 4.466836f |
| #define LVEQNB_100D_Neg12_dB 3.981072f |
| #define LVEQNB_100D_Neg11_dB 3.548134f |
| #define LVEQNB_100D_Neg10_dB 3.162278f |
| #define LVEQNB_100D_Neg9_dB 2.818383f |
| #define LVEQNB_100D_Neg8_dB 2.511886f |
| #define LVEQNB_100D_Neg7_dB 2.238721f |
| #define LVEQNB_100D_Neg6_dB 1.995262f |
| #define LVEQNB_100D_Neg5_dB 1.778279f |
| #define LVEQNB_100D_Neg4_dB 1.584893f |
| #define LVEQNB_100D_Neg3_dB 1.412538f |
| #define LVEQNB_100D_Neg2_dB 1.258925f |
| #define LVEQNB_100D_Neg1_dB 1.122018f |
| #define LVEQNB_100D_0_dB 1.000000f |
| |
| #endif |
